CN1173365C - Reproducer and reproducing method - Google Patents

Reproducer and reproducing method Download PDF

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Publication number
CN1173365C
CN1173365C CNB991239253A CN99123925A CN1173365C CN 1173365 C CN1173365 C CN 1173365C CN B991239253 A CNB991239253 A CN B991239253A CN 99123925 A CN99123925 A CN 99123925A CN 1173365 C CN1173365 C CN 1173365C
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China
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program
playback
data
specific address
program area
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CN1254925A (en
Inventor
关井康彰
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Sony Corp
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Sony Corp
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G11B27/3063—Subcodes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/327—Table of contents
    • G11B27/329—Table of contents on a disc [VTOC]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/23—Disc-shaped record carriers characterised in that the disc has a specific layer structure
    • G11B2220/235—Multilayer discs, i.e. multiple recording layers accessed from the same side
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/23—Disc-shaped record carriers characterised in that the disc has a specific layer structure
    • G11B2220/235—Multilayer discs, i.e. multiple recording layers accessed from the same side
    • G11B2220/237—Multilayer discs, i.e. multiple recording layers accessed from the same side having exactly two recording layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • G11B2220/65—Solid state media wherein solid state memory is used for storing indexing information or metadata

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)

Abstract

This invention provides a reproduction apparatus and a reproduction method for reproducing data from a recording medium comprising a program area provided in advance with absolute addresses and a controlled area storing the absolute start address of each program recorded on it in correspondence to the program number thereof.

Description

Replay device and playback method
Technical field
The present invention relates to a kind of replay device and playback method, be used for from the recording medium replay data, this recording medium comprises that the program area that has specific address that provides in advance and stored record are thereon corresponding to the control zone of the absolute starting address of each program of its program number.
Background technology
The output of the digital audio interface of known mini disk (CD) player be suitable for producing the CD kind that is used to discern CD dish to be played comprising except that digital voice data the kind category code the channel status data and comprise the user data of Q code, wherein the Q code each all comprise the elapsed time of a snatch of music on an orbit number and the track.
On the other hand, in order greatly to make things convenient for the user, use a digital audio tape (DAT) or a miniature hdd (MD) all to be designed on the basis of the CD kind that the orbit number that is recorded on the CD to be played in comprising of being detected by decoding channels status data and the Q code by the decode users data and the subdata in each snatch of music elapsed time discern automatically record start Ids and orbit number on recording medium as the many known pen recorder of recording medium.
Simultaneously, in recent years, proposed to be different from known CD and be applicable to the record compact disk standards of 1 digital bit audio music signal at a high speed.Voice data by the standard access of advising all is by corresponding simulated audio signal being carried out delta-sigma (Δ ∑) the 1 bit audio signal that modulation treatment obtained.With the very high sample frequency that is 64 times of the 44.1KHz sample frequency of common CD 1 bit audio signal is sampled.By a very high sample frequency and have the data word length of a small amount of quantization and be that feature is represented this signal with wide transmission band thus.In addition, because Δ ∑ modulation, can guarantee with respect to being to have a wide dynamic range in the audio band of lower band for the over-sampling frequency of 64 times of common CD sample frequency.
Optical disc process meets the high speed 1 bit audio signal of the standard that is proposed for new digital audio and video signals and demonstrates the acoustic characteristic that up to the present is far superior to known those characteristics of CD.But, because it must use the message context and the known CD of a register system that is different from known CD fully thereby the elapsed time that makes its relevant orbit number that comprises and each snatch of music in relevant subdata and other data incompatible.
On the other hand, can from common CD, can be known also both from the apparatus for replaying disc of playback music on a kind of novel discs that is loaded with high speed 1 bit audio signal.The user of this device expects in the relevant sound signal that is recorded on the CD and is recorded in information in the sound signal on this novel discs, particularly about the sequence number of the snatch of music of each record and from beginning to count elapsed time.But, so far, use single display system not show such information at two kinds of dissimilar dishes.
Summary of the invention
Consider above-mentioned situation, so the object of the present invention is to provide a kind of replay device and playback method, when replay data on the dish of the digital audio and video signals of the form storage that is different from the CD form, channel status data and the user data that is equivalent to the CD form can be changed and be produced to this replay device and playback method, and can show the such auxiliary data of elapsed time that resembles address digit and each snatch of music.
According to a first aspect of the invention, can realize above-mentioned purpose like this: provide a kind of replay device, this replay device is used for from comprising that the program area that has specific address and its have the recording medium replay data corresponding to the control zone of the start address of each program of its program number, and described device comprises:
The playback device is used for control zone and program area replay data from described recording medium;
Memory storage, be used for storage package be contained in by the control zone that is used for data playback of described playback device operation and with start address corresponding to each represented program of the specific address of the program number of this program;
Comparison means is used for the current specific address of will reset from described program area by described playback device and compares with there being the described memory storage start address corresponding to each program of this program program number; And
Selecting arrangement is used for selecting the corresponding program number in position on the described program area that is used for data playback with described playback device operation according to the comparative result of described comparison means.
According to a second aspect of the invention, a kind of replay device is provided, be used for replay data from first recording medium or second recording medium selectively, wherein first recording medium have side by side storage remove the storage adjective information thereon program number and by the program area of each program of address transmission and be used to control the control zone of using corresponding to each represented program origin of the specific address of this program program number, second recording medium has the program area of a plurality of programs that have a specific address of storage and is used to control the control zone of using corresponding to each represented program origin of the specific address of its program number, and described device comprises:
The playback device is used for control zone and program area replay data from described selected recording medium;
Memory storage, be used for storage package be contained in by the second recording medium control zone that is used for data playback of described playback device operation and with start address corresponding to each represented program of the specific address of the program number of this program;
Comparison means is used for the specific address of will reset from the described program area of described second recording medium by described playback device and compares with there being the described memory storage start address corresponding to each program of the program number of this program; And
Display control unit, be used for when selecting described first recording medium, on the basis of the program number that is stored in described program area side by side, show and the corresponding program number in position on by the described program area that is used for data playback of described playback device operation, and when selecting described second recording medium, on the basis of the comparative result of described comparison means, show and the corresponding program number in position on by the described program area that is used for data playback of described playback device operation.
According to a third aspect of the invention we, a kind of replay device is provided, be used for replay data from the ground floor or the second layer selectively, wherein ground floor have side by side storage remove the storage adjective information thereon program number and by the program area of each program of address transmission and be used to control the control zone of using corresponding to each represented program origin of the specific address of this program program number, the second layer has the program area of a plurality of programs that have a specific address of storage and is used to control the control zone of using corresponding to each represented program origin of the specific address of its program number, and described device comprises:
The playback device is used for from the control zone and the program area replay data of described selected layer;
Memory storage, be used for storage package be contained in by the second layer control zone that is used for data playback of described playback device operation and with start address corresponding to each represented program of the specific address of the program number of this program;
Comparison means is used for the specific address of will reset from the described program area of the described second layer by described playback device and compares with there being the described memory storage start address corresponding to each program of the program number of this program; And
Display control unit, be used for when selecting described ground floor, on the basis of the program number that is stored in described program area side by side, show and the corresponding program number in position on by the described program area that is used for data playback of described playback device operation, and when selecting the described second layer, on the basis of the comparative result of described comparison means, show and the corresponding program number in position on by the described program area that is used for data playback of described playback device operation.
According to a forth aspect of the invention, a kind of playback method is provided, be used for from comprising that the program area that has specific address and its have the recording medium replay data corresponding to the control zone of the start address of each program of its program number, said method comprising the steps of:
The control zone of resetting described recording medium;
Storage is with being included in by the represented start address of specific address corresponding to each program of program number in the playback control zone;
The described program area of resetting;
The specific address that to reset from described program area compares with the start address corresponding to each program that is stored in the program number the described storer; And
On the basis of the comparative result in above-mentioned comparison step, show corresponding to by the program number of playback programs.
Therefore, according to the present invention, to detect the additional information that comprises the elapsed time on orbit number and each track from the dish of playing with the form storage digital audio and video signals that is different from the CD form, and be converted into subsequently that to be equivalent at the digital audio interface place be channel status data and the user data of the CD of CD defined, so that can show and comprise the musical film segment number and the supplementary in the elapsed time on each track that is recorded on the dish.
Description of drawings
Fig. 1 is the schematic block diagram that embodies according to disk broadcasting device of the present invention.
Fig. 2 is the illustrative applicable to the data structure of the subcode frame format of known CD.
Fig. 3 is the illustrative applicable to the frame data structure of the Q data of known CD.
Fig. 4 is the illustrative that is applicable to the frame data structure of the Q data in the program area of known CD.
Fig. 5 is the illustrative that meets the sub-frame data structure of digital audio interface standard.
Fig. 6 is the illustrative that meets a frame data structure of digital audio interface standard.
Fig. 7 is the illustrative of the data structure of channel status data.
Fig. 8 is a data structure illustrative of representing CD kind time-like user data when the kind of channel status data.
Fig. 9 be will meet the subframe of digital audio interface standard its data structure illustrative during as user data.
Figure 10 is its data structure illustrative when the subframe that will meet the digital audio interface standard is used as the channel status data.
Figure 11 A is the illustrative that can be used for the data structure of HD dish of the present invention.
Figure 11 B is the detailed description of the toc region data structure shown in Figure 11 A.
Figure 11 C is the detailed description of the track regions data structure shown in Figure 11 A.
Figure 11 D is the detailed description of data structure of each track of the track regions shown in Figure 11 A.
Figure 12 is the explanation that can be recorded in a tables of data in the middle orbit catalogue of TOC data field.
Figure 13 is the explanation that can be recorded in the tables of data in the index list in the TOC data field.
Figure 14 is the explanation of the tables of data of the audio title in the audio sector of each track.
Figure 15 is the tables of data explanation of the frame information in the audio title of each track.
Figure 16 be one in the TOC data field track directory and a specific examples of index list.
Figure 17 is the illustrative of the data structure of sub-Q data.
Figure 18 can be used for generation orbit number of the present invention, call number and the operational flowchart in elapsed time.
Figure 19 is the data structure illustrative of expression orbit number, call number and the zero-time that can in fact produce on the basis of Figure 16 table.
Embodiment
Now, will be by with reference to illustrating that the accompanying drawing according to the most preferred embodiment of replay device of the present invention and playback method describes the present invention.
Embodiment according to replay device of the present invention as mentioned below is applicable to from mini disk (CD) and goes up and playing back music and can show each institute's recording musical fragments sequence number and from elapsed time that the starting point of this song begins from the CD of storing high-speed 1 digital bit sound signal.The CD of this hereinafter novel energy storing high-speed 1 digital bit sound signal will be referred to as a HD (high definition) dish.
Delta-sigma (Δ ∑) by a simulated audio signal modulates each the high speed 1 bit audio signal that obtains to be recorded on the HD dish, and this sound signal also has the data layout and 2 of the data word length of 1 bit, the sample frequency of 8224MHz (44.1KHz * 64).
Fig. 1 is the schematic block diagram that embodies according to disk broadcasting device 1 of the present invention.The signal of reading from the HD CD by optical pickup apparatus 3 is input to physical signal detection device/processor 5 by RF amplifier 4.Physical signal detection device/processor 5 detects the logging mode of HD dish 2, to carrying out on the signal such as the physical treatment operation that the signal descrambling is such and will (64 * 44.1KHz=2.8224MHz) sample and carried out the high speed 1 digital bit sound signal that sigma-delta modulates is sent to audio signal processor 6 and additional information detector/processor 9 with the sample frequency fs of 64 times of conventional CD sample frequency.
Audio signal processor 6 will (64 * 44.1KHz=2.8224MHz) sample and the 1 digital bit sound signal of carrying out the delta-sigma modulation down-converts to the long numeric data that 16 bit strips have sample frequency fs (Hz) and CD quantized amount, then these 16 long numeric datas are fed in digital-to-analog (D/A) converter 7 with the sample frequency fs of 64 times of conventional CD sample frequency.
This long numeric data that digital-to-analog (D/A) converter 7 receives it is converted to simulated audio signal and sends it to the outside by output terminal 8.
Additional information detector/processor 9 is isolated all information except that sound signal from the serial data that contains described 1 digital bit sound signal.Specifically, it can detect temporal information TCP and send it to subdata converter/generator 10 from the heading message being included in described serial data, and these will be described hereinafter.In addition, it can extract relevant on each track zero-time of track zero-time code and index zero-time code and the information of each index zero-time from the control information of the head that is arranged in described serial data and afterbody, and with the information stores that extracts in storer 11.
Subdata converter/generator 10 is by means of the described track start time information and the index start time information that exist in the described storer 11, conversion and the channel status data and the such subdata of user data that produce such as the digital interface standard that meets relevant CD, and on the basis of conversion output, the relevant supplementary in elapsed time of relevant each track corresponding to fragment number that is recorded in the digital audio and video signals on the CD 2 and CD 2 is offered monitor 12.
The elapsed time that monitor 12 shows corresponding to each track of the fragment number that is recorded in the digital audio and video signals on the CD 2 and this CD.
Then, will discuss below can be by subdata converter/generator 10 by means of the additional information that extracts from 1 digital bit sound signal of CD 2, conversion and the subdata that meets the CD standard, channel status data and the user data that produce.
According to the CD standard, when on the basis that track integrates with, driving CD, exist and can read for ordinary playing, connect the subdata (P, Q, R, S, T, U, V, W) that forms on the basis of frame at frame.Fig. 2 is the illustrative of the data structure of the sub-encoded frame format of mini disk audio system (meeting IEC (International Electrotechnical Commission (IEC)) 908 standards).Subdata P is included in every frame by in 98 synchronous modes that constitute to W, and wherein every frame comprises synchronization bit S 0And S 1P represents between two fragments on the track information at interval, and R represents the information of relevant still image and character to W.Q represents to be detected by additional information the most of information that comprise orbit number, elapsed time and the absolute time (minute, second, frame) that are positioned on each track of 9 conversions of converter/processor and generation.
Fig. 3 has represented to be applied to the form of a Q code.Remove synchronization bit S 0And S 1Whether in addition 96 comprise the existence that shows importance or do not exist and allow or forbid this fragment 4 CONTROL positions then, position, 4 addresses (ADR) of designation data pattern, 72 Q data bit and be used for 16 cyclic redundancy checks (CRC) position of the generation of parity checking code.Data in the program area are by playback time, and the quantity of address (ADR) position will be reduced to 1.
Fig. 4 is the illustrative of frame data structure that only comprises the Q data of an address bit (ADR).It comprises from orbit number TNO, the call number X of dish title, elapsed time (divide (MIN), second (SEC), frame (FRAME)), absolute time (dividing (AMIN), second (ASEC), frame (AFRAME)) and CRC on the track.Notice that the elapsed time on the track is the elapsed time that has that track of certain tracks number.
Fig. 5 is the data layout illustrative that meets the subframe of digital audio interface standard (IEC958 standard).Fig. 6 is the illustrative that comprises the data structure of subframe shown in Fig. 5 and that meet digital audio interface standard (IEC958 standard).Constitute a piece by 192 frames, wherein each comprises two subframes.
Except that the voice data of left and right sides passage, also there are synchronization preamble, user data (U position), channel status data (C position) and other data in every frame.
Fig. 7 is the illustrative of the data layout of channel status data.These data have comprised the kind category code that is used for the recognition device type, sample frequency fs and be used to show that importance exists or non-existent CONTROL position.
Fig. 8 is that the kind category code as Fig. 7 is the data layout illustrative of " 10000000 " user data when being the CD replay device with the indicator signal source.Here, the code Q that lists to W getting rid of the P code, and especially, will be from extracting 96 Q codes here.
Fig. 9 and 10 has shown and has comprised the user data (U) in fact exported together in company with voice data and the data example of channel status data (C).
Therefore, as mentioned above, the output of the numeral of a CD player has comprised channel status data and the indication orbit number and the user data in track elapsed time of indication CD kind.
On the other hand, according to above-mentioned newly-established compact disk standards, be written among the TRACK-LIST-2 of TOC data field corresponding to the start address of the initial absolute time of audio zone track.From the routine operation process of track replay data, can only read the time code in the initial title that is included in each audio sector, this time code is corresponding to initial absolute time.
Figure 11 A is the illustrative of the data structure of audio zone on the standard compliant CD, thereon, is arranged in two toc regions of two opposite sides of track regions each and all has structure shown in Figure 11 B.The track zero-time code of each track has been described in the track directory 2 of the toc region shown in the grammer of Figure 12.The index zero-time code Index-Start-TC of each call number has as shown in figure 13 been described in index-catalogue of Figure 11 B.
On the other hand, on each track shown in Figure 11 C in the track regions of Figure 11 A, all provide the audio sector shown in Figure 11 D, and in the audio title of this audio sector, described the frame-information as shown in Figure 14 grammer.Time-the code of every frame as shown in figure 15 more particularly, has been described here.
As mentioned above, according to the HD standard, the operating process of replay data from the track that is different from the CD form, only can from track regions, read the time code (absolute time) of every frame as the program area.In other words, the orbit number and the such information of elapsed time that do not have record such as each track.So, impossible orbit number and the elapsed time that shows each track.
In order to overcome these inconveniences, when dish was in place, this disk broadcasting device 1 was at first read toc region (contents table) data and it is stored in as shown in Figure 1 the storer 8.Therefore, storer 8 has been stored TRACK LIST 2 and INDEX LIST table as shown in figure 16.
Carry out data playback and user data (U position) is added to its digital output end in order to drive CD 2, handle the Q data that produce as shown in figure 17 through data-switching/generation by additional information detector/processor 9.
Now, will be by being described with reference to Figure 18 the conversion process operation of subdata.At first, when driving CD 2 carries out data playback, must read the TCP of the time code (absolute time) of audio title as every frame.Then, at step S1, write the absolute time TCA (dividing M, second S, frame F) of TCP as shown in figure 17.
Then, at step S2, with track-initial-time-code (TC2) and the above-mentioned TCP comparison of orbit number 2 (TNO.2).If TCP is less than TC2, then operation enters step S3, and there, current orbit number is appointed as TNO.1.At step S4, the TC1 that deducts orbit number 1 (TNO.1) from TCP is to produce elapsed time TCN (minute, second, frame).
After the step S4, operation enter into by the dotted line of Figure 18 institute around processing sequence * 1, the call number (IDX) among definite thereon orbit number TNO.1.
In step S5, relatively with index-initial-TC of the INDEX2 of index-Biao middle orbit TNO.1 and above-mentioned TCP.If above-mentioned TCP is less than index-initial-TC of INDEX2, then operation enters step S6, and call number is confirmed as " 1 " there.On the other hand, if find the index-initial-TC of TCP greater than INDEX2 in step S5, then operation enters step S7, there, and with the index-initial-TC and above-mentioned TCP comparison of the INDEX3 of orbit number TNO.1.If above-mentioned TCP is less than index-initial-TC of INDEX3, then operation enters step S8, and call number is confirmed as " 2 " there.On the other hand, if find the index-initial-TC of above-mentioned TCP greater than INDEX3 in step S7, then operation enters step S9, there, and with the index-initial-TC and above-mentioned TCP comparison of the INDEXM of orbit number TNO.1.If above-mentioned TCP is less than index-initial-TC of INDEXM, then operation enters step S10, and call number is confirmed as " M-1 " there.On the other hand, if find the index-initial-TC of TCP greater than INDEXM in step S9, then operation enters step S11, there, and with the index-initial-TC and above-mentioned TCP comparison of the INDEXM of orbit number TNO.1.If above-mentioned TCP is less than index-initial-TC of INDEXM+1, then operation enters step S12, and call number is confirmed as " M " there.
Then, step S2 is returned in operation, and if in step S2, find above-mentioned TCP greater than above-mentioned TC2, then operation enters step S2, and the track-initial-time-code (TC3) with orbit number 3 (TNO.3) compares with above-mentioned TCP there.If above-mentioned TCP is less than TC3, then operation enters step S22, and current there orbit number TNO. is confirmed as " 2 ".Then, at step S23, the TC2 that deducts orbit number TNO.2 from TCP is to obtain elapsed time TCN (minute, second, frame).
After the above-mentioned steps S23, operation enter into by dotted line institute around processing sequence * 2, the call number (IDX) among definite thereon orbit number TNO.2.Because this sequence and above-mentioned * 1 sequence are similar, therefore it will no longer be described here.
Then, in step S31, if above-mentioned TCP less than orbit number N (TNO.N), then operates and enters step S32, current there orbit number TNO. is confirmed as N-1.At step S33, the TC (N-1) that deducts orbit number TNO. (N-1) from TCP is to obtain elapsed time TCN (minute, second, frame).
After the above-mentioned steps S33, operation enter into by dotted line institute around processing sequence * N-1, the call number (IDX) among definite thereon orbit number TNO.N-1.Because this sequence and above-mentioned * 1 sequence are similar, therefore it will no longer be described here.
If find N the TCN of above-mentioned TCP greater than orbit number TNO in step S31, then operation enters step S41, and the track-initial-time-code (TCN+1) with orbit number N+1 (TNO.N+1) compares with above-mentioned TCP there.If find TCP less than TCN+1, then operation enters step S42, and current there orbit number TNO is confirmed as " N ".Then, at step S43, the TCN that deducts orbit number N (TNO.N) from TCP is to obtain elapsed time TCN (minute, second, frame).
After the above-mentioned steps S43, operation enter into by dotted line institute around processing sequence * N, the call number (IDX) among definite thereon orbit number TNO.N.Because this sequence and above-mentioned * 1 sequence are similar, therefore it will no longer be described here.
Then, in disk broadcasting device 1, subdata converter/generator 10 uses the TCP that is read by additional information detector/processor 9 and is stored in table in the storer 8 as shown in figure 16, and TCP is transformed into absolute time TCA.After this, disk broadcasting device 1 will be that the track zero-time code and the TCP of each track of beginning of TNO.2 compares from orbit number.To equal N greater than N TC of orbit number TNO and less than the TNO of N+1 TC.By from TCP, deducting N the value representation elapsed time TCN (minute, second, frame) that TC obtained of TNO.Then, each index zero-time code and the TCP with TNO.N in the index list compares to determine current cable quotation marks (IDX).Therefore, can prepare as shown in figure 17 Q data with above-mentioned conversion/generation operating process.Then, add that the such fixed value data of all CONTROL as shown in Figure 4 and address AD A is to produce Q data completely.
If the current absolute time in the toc region table shown in Figure 16 is 7 minutes, 40 seconds, 33 frames, then orbit number TNO will be that " 2 " and elapsed time TCN will be 2 minutes, 10 seconds, 33 frames, and TDX will be " 2 ".
Now, the operation that will further describe the foregoing description by flow process and Figure 19 of reference Figure 18.
At first, will write the TCA of Figure 17 by the TCP " 7 minutes, 40 seconds, 33 frames " that additional information detector/processor 9 is read.Then, relatively with the track-initial-time-code (TC2) " 5 minutes, 30 seconds, 00 frame " of the track of orbit number 2 (TNO.2) and above-mentioned TCP.Because TCP is greater than TC2, operation enters step S21, there, and with the track-initial-time-code (TC3) " 11 minutes, 40 seconds, 00 frame " of the track of orbit number 3 (TNO.3) and above-mentioned TCP relatively.Because TCP is less than TC3, operation enters step S22, and there, orbit number TNO is set up and equals " 2 ".Then,, from TCP, deduct TC2 with 2 minutes, 10 seconds, 33 frames of acquisition as TCN at step S23, or the elapsed time of orbit number 2.
Equally, with INDEX2 " 6 minutes, 10 seconds, 00 frame " and above-mentioned TCP relatively, because TCP is greater than 2, relatively with the TC " 8 minutes, 10 seconds, 00 frame " of INDEX3 and above-mentioned TCP.Because TCP is less than 2, call number will be set to equal " 2 ".
Then, the digital signal at CD 2 is presented at fragment number on this track (orbit number) and elapsed time on the monitor 12.
Therefore, the additional information conversion of reading from CD 2 for optical pickup apparatus 3 devices that will be by disk broadcasting device 1 is corresponding to the data of the Q code of CD subdata, when disc is in place, at first reads the data of toc region and it is stored in the storer 8 by additional information detector/processor 9.For common track replay operations, read the time code in the title and be converted into channel status data and user data Q code with reference to being arranged in information toc region middle orbit catalogue and that be stored in storer 8 by subdata converter/generator 10 by additional information detector/processor 9.
For example, will be by the value that start address obtained that from the time code address of being reset, deducts N address in the track directory corresponding to the elapsed time on the track.
Notice that the channel status data often are well-determined by the parameter institute of the kind and the equipment that uses.For example, by kind is fixed as CD, sample frequency be 44.1KHz and importance for closing, can produce the channel status data that are used for a new building.
Use said method, the additional information of new CD can be converted to channel status data and user data, these data are equivalent to channel status data and the user data of CD so that can displayed record on the disk such as fragment number and each track on such supplementary of elapsed time.
Go up replay data though above-mentioned disk broadcasting device 1 is applicable to from CD or HD, the present invention can also be applied to a kind of be applicable to play comprise a CD signaling zone and be arranged on the device with the mixed type dish in the 1 bit digital signal district that shows sandwich construction.In any situation, the segments relevant with the sound signal of resetting from CD layer or 1 bit digital signal layer and the elapsed time of each track can demonstrate at monitor 12.

Claims (12)

1. replay device is used for from comprising that the program area that has specific address and its have the recording medium replay data corresponding to the control zone of the start address of each program of its program number, and described device comprises:
The playback device is used for control zone and program area replay data from described recording medium;
Memory storage, be used for storage package be contained in by the control zone that is used for data playback of described playback device operation and with start address corresponding to each represented program of the specific address of the program number of this program;
Comparison means is used for the current specific address of will reset from described program area by described playback device and compares with there being the described memory storage start address corresponding to each program of this program program number; And
Selecting arrangement is used for selecting the corresponding program number in position on the described program area that is used for data playback with described playback device operation according to the comparative result of described comparison means.
2. according to the replay device of claim 1, it is characterized in that, also comprise the display device that is used to show the program number of selecting by described selecting arrangement.
3. according to the replay device of claim 1, it is characterized in that:
The control zone of described recording medium further storage is used for a single program is divided into the call number of several portions and uses the start address of representing corresponding to the specific address of described call number;
Wherein said memory storage is used to store with corresponding to the represented start address of the specific address of described call number, and described call number is used for dividing the single program that is included in described control zone and is reset by described playback device;
Described comparison means is used for the specific address of will reset from described program area by described playback device and compares with the start address that is stored in the described memory storage corresponding to relative index number; And
Described selecting arrangement is used on the basis of the comparative result of described comparison means, selects the call number corresponding to position on the described program area of being play by described playback device.
4. according to the replay device of claim 3, it is characterized in that, also comprise the display device that is used to show the call number of selecting by described selecting arrangement.
5. according to the replay device of claim 1, it is characterized in that the data that are stored in the described program area are one bit digital signals of sigma-delta modulation.
6. according to the replay device of claim 1, it is characterized in that, also comprise a calculation element, be used in the specific address of resetting from described program area with corresponding to the basis of the program origin that is stored in described memory storage program number, by calculating the elapsed time of determining by the program of described playback device playback by described playback device; And
Display device is used to show by described calculation element by calculating the elapsed time of the program of determining.
7. playback method is used for from comprising that the program area that has specific address and its have the recording medium replay data corresponding to the control zone of the start address of each program of its program number, said method comprising the steps of:
The control zone of resetting described recording medium;
Storage is with being included in by the represented start address of specific address corresponding to each program of program number in the playback control zone;
The described program area of resetting;
The specific address that to reset from described program area compares with the start address corresponding to each program that is stored in the program number the described storer; And
On the basis of the comparative result in above-mentioned comparison step, show corresponding to by the program number of playback programs.
8. according to the playback method of claim 7, it is characterized in that, also comprise showing the program number of selecting.
9. according to the playback method of claim 7, it is characterized in that:
The control zone of described recording medium further storage is used for a single program is divided into the call number of several portions and uses the start address of representing corresponding to the specific address of described call number;
Described method further comprises:
Storage is with corresponding to the represented start address of the specific address of described call number, and described call number is used for dividing the single program of the playback that is included in described control zone;
The specific address that to reset from described program area compares with start address corresponding to relative index number; And
On the basis of described comparative result, select call number corresponding to position on the described program area of resetting.
10. according to the playback method of claim 9, it is characterized in that, also comprise showing selected call number.
11. the playback method according to claim 7 is characterized in that, the data that are stored in the described program area are one bit digital signals of sigma-delta modulation.
12. the playback method according to claim 7 is characterized in that, also is included on the specific address of resetting from described program area and the basis corresponding to the program origin of program stored number, by calculating the elapsed time of determining the program of resetting; And
Show by calculating the elapsed time of the program of determining.
CNB991239253A 1998-09-18 1999-09-18 Reproducer and reproducing method Expired - Lifetime CN1173365C (en)

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EP (2) EP1398783A1 (en)
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US6301202B1 (en) 2001-10-09
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CN1492427A (en) 2004-04-28
KR100569800B1 (en) 2006-04-10
EP1398783A1 (en) 2004-03-17
MY122382A (en) 2006-04-29
DE69918625D1 (en) 2004-08-19
EP0987709B1 (en) 2004-07-14
TW452771B (en) 2001-09-01
CN1492405A (en) 2004-04-28
CN1273967C (en) 2006-09-06
EP0987709A2 (en) 2000-03-22
CN1254925A (en) 2000-05-31
SG91831A1 (en) 2002-10-15
DE69918625T2 (en) 2005-07-21
KR20000023225A (en) 2000-04-25

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